Astanga Hrudaya
दानशीलदयासत्यब्रह्मचर्यकृतज्ञताः। रसायनानि मैत्री च पुण्यायुर्वृद्धिकृद्गणः॥१२०॥
Habit of charity, compassion, truthfulness, celibacy, gratitude, rejuvenation promoters (drugs, tonics), friendship (with all) and benevolent activities form the group which enhances the span of life
english translation